Cal. Code Regs. tit. 4, § 4012.2
N.1. Test Liquid. Water or light fuel oil shall be used as the test liquid for a liquefied petroleum gas tank.
N.2. Evaporation and Volume Change. Care shall be exercised to reduce to a minimum, evaporation losses and volume changes resulting from changes in temperature of the test liquid.
N.3. Gaging. When a liquefied petroleum gas tank is gaged to determine the proper position for an indicator or to determine what a capacity marking should be, tolerances are not applicable. The indicator shall be set and the tank capacity shall be marked as accurately as practicable.
This requirement applies to new liquefied petroleum gas tanks or following repairs or modifications that might affect tank capacities.
N.4. Adjustment and Remarking. When a liquefied petroleum gas tank is found upon test to have an error in excess of the applicable tolerance, the capacity of the liquefied petroleum gas tank shall be adjusted to agree with its marked capacity, or its marked capacity shall be changed to agree with its capacity as determined by the test.
N.5. Inspection. Weights and measures officials shall not inspect or certify liquefied petroleum gas liquid measuring devices until:
Note: Authority cited: Sections 12027 and 12107, Business and Professions Code. Reference: Section 12107, Business and Professions Code.
1. Amendment deleting subsection asterisks filed 11-1-94; operative 12-1-94 (Register 94, No. 44).